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<head>
    <meta charset="UTF-8">
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    <title>Document</title>
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<body>
    <script>
        //实现一个myEvery方法达到内置every循环效果
        var arr = ("a,b,c,d,e")
        function myEvery(arr){
            for(var i = 0;i<arr.length;i++){
                if(arr[i]==false){
                    return false;
                }
            }
            return true;
        } 
        var res = myEvery(arr);
        console.log(res)
    </script>
</body>
</html>